Mark Dittenhoffer

Mark Dittenhoffer is the Director of the Employee Relations Branch with the Ontario Treasury Board Secretariat. He currently supports ministries by developing and executing labour relations strategies across the Ontario Public Service. Continuously fostering improvement in the labour relations community, Mark has extensive experience in leading labour dispute contingency planning, contract negotiations and essential service negotiations, and providing advice to leaders in highly complex unionized ministries.

With 20 years of managerial expertise, Mark has served in various labour relations capacities, including acting as the Co-Chair on corporate committees, leading negotiations at bargaining tables, and managing corporate labour relations programs.

Tel: (416) 327-0088
Email: mark.dittenhoffer@ontario.ca